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  Friction modifier in trac-locks?

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Author Topic:   Friction modifier in trac-locks?
BornInAFord
Gearhead

Posts: 471
From: Bend, OR, USA
Registered: Dec 2002

posted 03-29-2004 05:24 PM     Click Here to See the Profile for BornInAFord     Edit/Delete Message   Reply w/Quote
Guys, I recently heard that if I used synthetic gear oil, I won't need the friction modifier for trac-locks. Is this true? Also, what weight oil is preferred- 90 wt?
Thanks,
Daniel

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Fastymz
Moderator

Posts: 18590
From: Reno Nv USA MEM#1240
Registered: Apr 2001

posted 03-29-2004 05:35 PM     Click Here to See the Profile for Fastymz   Click Here to Email Fastymz     Edit/Delete Message   Reply w/Quote
Daniel from what Alex has said "85w-140w"
Don't add any friction modifier if you want to use it more for racing. It will grab better without it.

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SCOOP

oddly obsessed with big scoops on little Mustangs

65 coupe,351w,C4,Big Boss 429 hood scoop,8" 3.40 TracLoc.

My Pics

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BornInAFord
Gearhead

Posts: 471
From: Bend, OR, USA
Registered: Dec 2002

posted 03-29-2004 05:41 PM     Click Here to See the Profile for BornInAFord     Edit/Delete Message   Reply w/Quote
Thanks! It's going in my daily driver, so I'll probably add the modifier. Any ideas about the synthetic lube not needing the modifier?
Daniel

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SteveLaRiviere
Administrator

Posts: 42859
From: Saco, Maine
Registered: May 99

posted 03-29-2004 05:54 PM     Click Here to See the Profile for SteveLaRiviere   Click Here to Email SteveLaRiviere     Edit/Delete Message   Reply w/Quote
I'd be inclined to just start out with the synthetic only, and add the modifier if chattering was a problem.

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'70 Mustang Mach 1 351C 4V/FMX/3.25 Open
'70 Mustang Convertible 250 I6/3 speed/2.79 Open
'72 Mustang Sprint Hardtop 351C 4V/FMX/4.30 Trac Loc
'94 F-150 XL 5.8L/E4OD/3.55 Limited Slip

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Fastymz
Moderator

Posts: 18590
From: Reno Nv USA MEM#1240
Registered: Apr 2001

posted 03-29-2004 06:08 PM     Click Here to See the Profile for Fastymz   Click Here to Email Fastymz     Edit/Delete Message   Reply w/Quote
I'd be inclined to listen to Steve.

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SCOOP

oddly obsessed with big scoops on little Mustangs

65 coupe,351w,C4,Big Boss 429 hood scoop,8" 3.40 TracLoc.

My Pics

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SteveLaRiviere
Administrator

Posts: 42859
From: Saco, Maine
Registered: May 99

posted 03-29-2004 06:16 PM     Click Here to See the Profile for SteveLaRiviere   Click Here to Email SteveLaRiviere     Edit/Delete Message   Reply w/Quote
Who me? I'm just an old guy with a pile of worn out tools.

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'70 Mustang Mach 1 351C 4V/FMX/3.25 Open
'70 Mustang Convertible 250 I6/3 speed/2.79 Open
'72 Mustang Sprint Hardtop 351C 4V/FMX/4.30 Trac Loc
'94 F-150 XL 5.8L/E4OD/3.55 Limited Slip

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Fastymz
Moderator

Posts: 18590
From: Reno Nv USA MEM#1240
Registered: Apr 2001

posted 03-29-2004 06:22 PM     Click Here to See the Profile for Fastymz   Click Here to Email Fastymz     Edit/Delete Message   Reply w/Quote
quote:
Originally posted by SteveLaRiviere:
Who me? I'm just an old guy with a worn out tool.


I'm sorry to hear that,yeah at least can still work on your cars.

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SCOOP

oddly obsessed with big scoops on little Mustangs

65 coupe,351w,C4,Big Boss 429 hood scoop,8" 3.40 TracLoc.

My Pics

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Tom G
Gearhead

Posts: 573
From: Bethlehem, Pa USA
Registered: Nov 2001

posted 03-30-2004 03:07 PM     Click Here to See the Profile for Tom G   Click Here to Email Tom G     Edit/Delete Message   Reply w/Quote
Who has a suggestion on type gear lube for an EQUA Loc?

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67 Mustang F/B 302 GT-40X FMS Crate engine T5, cable clutch conversion Flowmasters X Pipe 4.11 9". Clear water Aqua GT Clone 13.39 on 205/70/14 BFG @104 mph 03 Focus ZX3 BORLA exhaust Wings West spoiler (Arrest ME RED)

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SteveLaRiviere
Administrator

Posts: 42859
From: Saco, Maine
Registered: May 99

posted 03-30-2004 07:20 PM     Click Here to See the Profile for SteveLaRiviere   Click Here to Email SteveLaRiviere     Edit/Delete Message   Reply w/Quote
My book says 5 pints of SAE 90 for temperatures above 25*F or SAE 80 below 25*F

It also specifies 1 ounce of C1AA-19B546-A limited slip additive per pint of gear lube. {In other words 5 ounces}

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'70 Mustang Mach 1 351C 4V/FMX/3.25 Open
'70 Mustang Convertible 250 I6/3 speed/2.79 Open
'72 Mustang Sprint Hardtop 351C 4V/FMX/4.30 Trac Loc
'94 F-150 XL 5.8L/E4OD/3.55 Limited Slip

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